136159273 has 4 divisors (see below), whose sum is σ = 144168660. Its totient is φ = 128149888.

The previous prime is 136159271. The next prime is 136159277. The reversal of 136159273 is 372951631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372951631 = 13 ⋅28688587.

It can be written as a sum of positive squares in 2 ways, for example, as 48399849 + 87759424 = 6957^2 + 9368^2 .

It is a cyclic number.

It is not a de Polignac number, because 136159273 - 2¹ = 136159271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136159271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004668 + ... + 4004701.

It is an arithmetic number, because the mean of its divisors is an integer number (36042165).

Almost surely, 2^136159273 is an apocalyptic number.

It is an amenable number.

136159273 is a deficient number, since it is larger than the sum of its proper divisors (8009387).

136159273 is an equidigital number, since it uses as much as digits as its factorization.

136159273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009386.

The product of its digits is 34020, while the sum is 37.

The square root of 136159273 is about 11668.7305650615. The cubic root of 136159273 is about 514.4569926239.

The spelling of 136159273 in words is "one hundred thirty-six million, one hundred fifty-nine thousand, two hundred seventy-three".